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Source-code search guides

Find WordPress plugins, Shopify integrations and shared tracking IDs. Each guide starts with a query you can run against stored homepage source.

9 guides
Start with a plugin path

Find websites using a WordPress plugin

Find the plugin's asset folder, inspect a matching homepage, then export the domains.

Read the guide 3 min read · Updated October 20, 2026
Try the WooCommerce querywp-content/plugins/woocommerceSearch this path

Searches stored homepage HTML.

Analytics · OSINT Analytics · OSINT · 2 min read Google Analytics property ID lookup: find websites by GA ID Find a website by GA ID: search GA4 measurement IDs or legacy Analytics web property IDs, inspect matching homepage source and check related domains. Read guide OSINT OSINT · 2 min read Find sites sharing a Facebook (Meta) Pixel ID Search a Meta Pixel ID in captured homepage HTML. Check the surrounding code before drawing conclusions about the sites' relationship. Read guide Basics Basics · 2 min read How to search the source code of the web Search for script URLs, asset paths and other text in stored homepage HTML. Learn how to read results and inspect the matched source. Read guide Regex Regex · 2 min read Regex search over website source code Use regular expressions to find tracking IDs, versioned script URLs and other code patterns. Try the queries and inspect their matches. Read guide E-commerce E-commerce · 2 min read Find Shopify stores that use Klaviyo Combine Shopify and Klaviyo script URLs in one query. Check both references in the stored source, then export matching domains. Read guide OSINT OSINT · 2 min read Connect domains by a shared tracking ID Find homepages with a shared Analytics, ad or pixel ID. Check copied code and shared service providers before inferring common ownership. Read guide Lead gen Lead gen · 2 min read Build technographic lead lists from JavaScript fingerprints Combine and exclude source fingerprints to build a domain list. Inspect captured matches and export the results for further research. Read guide Comparison Comparison · 2 min read How to compare PublicWWW alternatives A repeatable workflow for comparing code-search tools: identical queries, count types, source inspection, export limits and dated evidence. Read guide